XML 35 R19.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Headquarter Relocation and Consolidation | 12 Months Ended
--- | ---
Dec. 31, 2018
Business Realignment [Abstract] |
Headquarter Relocation and Consolidation | 12. Headquarter Relocation and Consolidation During the fourth quarter of 2016, the Company relocated its corporate headquarters from Warren, Ohio to Novi, Michigan and consolidated its other corporate functions into one location. As a result, the Company incurred headquarter relocation costs recorded within SG&A expense, which included employee retention, relocation, severance, recruiting, duplicate wages and professional fees, of $269, $493 and $1,769 for the years ended December 31, 2018, 2017, and 2016, respectively. In connection with the headquarter relocation, the Company was approved for a Michigan Business Development Program grant of up to $1,400 based upon the number of new jobs created in Michigan through 2022. As a result of the attainment of the first and second milestones, grant income of $312 and $338 was recognized during the years ended December 31, 2018 and 2017, respectively, within SG&A expense in the consolidated statements of operations.

X
- Definition Headquarter Relocation [Text Block] + References No definition available. + Details
Name: | sri_HeadquarterRelocationTextBlock
Namespace Prefix: | sri_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration